Compare AI Models

Comparing the specifications and intelligence benchmarks for Grok 4.20 Beta 0309 (Reasoning), Grok 4.20 Beta 0309 (Non-reasoning).

Model	Intelligence	MMLU Pro	Context	GPQA	TTFT (s)	Speed (T/s)	Input Price (1M)	Output Price (1M)
Grok 4.20 Beta 0309 (Reasoning)New xAI	48.5	-	-	88.5%	11.21	263	$2.00	$6.00
Grok 4.20 Beta 0309 (Non-reasoning)New xAI	29.7	-	-	78.5%	0.35	257	$2.00	$6.00

Grok 4.20 Beta 0309 (Reasoning) vs Grok 4.20 Beta 0309 (Non-reasoning) Comparison 2026: Pricing & Benchmarks